Upper end of a tank trailer



FIG. 1 is a side elevational view of an upper end of a tank trailer inaccordance with an aspect of my design;

FIG. 2 is a rear elevational view thereof; and,

FIG. 3 is an enlargement of the highlighted region of FIG. 1.

The broken lines illustrate portions of the environment in which theupper end of the tank trailer is used which form no part of the claimeddesign.

The dot-dot-dash lines show the boundary of the highlighted region ofFIG. 1 and form no part of the claimed design.

CLAIM The ornamental design for an upper end of a tank trailer, as shownand described.